To assess the effects of all CAD/CAM designed restorations (including inlays, onlays and crowns) for indirect restoration of teeth in need of a final permanent dental restoration in adults and adolescents with erupted second molars.

To compare the effects of CAD/CAM designed restorations (inlays, onlays, crowns) with restorations (inlays, onlays, crowns) designed and produced by other available indirect systems.